diff --git a/vtkm/worklet/contourtree_augmented/data_set_mesh/GetOwnedVerticesByGlobalIdWorklet.h b/vtkm/worklet/contourtree_augmented/data_set_mesh/GetOwnedVerticesByGlobalIdWorklet.h
index 4f15a0d74..b9147ae61 100644
--- a/vtkm/worklet/contourtree_augmented/data_set_mesh/GetOwnedVerticesByGlobalIdWorklet.h
+++ b/vtkm/worklet/contourtree_augmented/data_set_mesh/GetOwnedVerticesByGlobalIdWorklet.h
@@ -54,6 +54,7 @@
 #define vtk_m_worklet_contourtree_augmented_mesh_dem_get_owned_vertices_by_global_id_worklet_h
 
 #include <vtkm/worklet/WorkletMapField.h>
+#include <vtkm/worklet/contourtree_augmented/data_set_mesh/IdRelabeler.h>
 
 namespace vtkm
 {